Skip to Content

34 Results Found

  • Article
  • Open Access
32 Citations
5,727 Views
8 Pages

The Mechanical Properties of Defective Graphyne

  • Shuting Lei,
  • Qiang Cao,
  • Xiao Geng,
  • Yang Yang,
  • Sheng Liu and
  • Qing Peng

12 December 2018

Graphyne is a two-dimensional carbon allotrope with superior one-dimensional electronic properties to the “wonder material” graphene. In this study, via molecular dynamics simulations, we investigated the mechanical properties of α-...

(This article belongs to the Special Issue Graphene Mechanics)
  • Article
  • Open Access
1 Citations
2,747 Views
19 Pages

8 August 2023

It is shown that it is possible to adapt the quantum graph model of graphene to some types of nonequilateral graphynes considered in the literature; we also discuss the corresponding nanotubes. The proposed models are, in fact, effective models and a...

(This article belongs to the Special Issue Advances in Modelling of Size Effects in Graphene and Carbon Nanotubes)
  • Review
  • Open Access
26 Citations
3,519 Views
36 Pages

Graphyne, a hypothetical carbon allotrope comprising sp and sp2 hybridized carbon atoms, has garnered significant attention for its potential applications in next-generation technologies. Unlike graphene, graphyne’s distinctive acetylenic linka...

(This article belongs to the Section Materials Science)
  • Article
  • Open Access
7 Citations
2,696 Views
13 Pages

Nonlinear Finite Element Analysis of γ-Graphyne Structures under Shearing

  • Sotirios G. Siampanis,
  • Georgios I. Giannopoulos,
  • Nikos D. Lagaros,
  • Antonios Hatziefremidis and
  • Stelios K. Georgantzinos

In this study, a nonlinear, spring-based finite element approach is employed in order to predict the nonlinear mechanical response of graphyne structures under shear loading. Based on Morse potential functions, suitable nonlinear spring finite elemen...

(This article belongs to the Section Nanochemistry)
  • Article
  • Open Access
2 Citations
3,380 Views
15 Pages

Performance Analysis of an α-Graphyne Nano-Field Effect Transistor

  • Habibullah Khan,
  • Md. Monirul Islam,
  • Rajnin Imran Roya,
  • Sariha Noor Azad and
  • Mahbub Alam

6 July 2023

Graphyne has attractive electronic properties that make it a possible replacement of silicon in FET technology. In FET technology, the goal is to achieve low power dissipation and lower subthreshold swing. In this study, we focused on achieving these...

(This article belongs to the Section A: Physics)
  • Article
  • Open Access
1 Citations
2,094 Views
18 Pages

Computational Studies on Diverse Characterizations of Molecular Descriptors for Graphyne Nanoribbon Structures

  • Muhammad Awais Raza,
  • Muhammad Khalid Mahmood,
  • Muhammad Imran,
  • Fairouz Tchier,
  • Daud Ahmad and
  • Muhammad Kashif Masood

13 September 2023

Materials made of graphyne, graphyne oxide, and graphyne quantum dots have drawn a lot of interest due to their potential uses in medicinal nanotechnology. Their remarkable physical, chemical, and mechanical qualities, which make them very desirable...

(This article belongs to the Section Computational and Theoretical Chemistry)
  • Article
  • Open Access
3 Citations
1,784 Views
19 Pages

The Effect of Hole Geometry on the Nonlinear Nanomechanics of γ-Graphyne Structures: A Finite Element Analysis

  • Stelios K. Georgantzinos,
  • Sotirios G. Siampanis,
  • Nikolaos Rogkas and
  • Vasilios Spitas

25 September 2023

Graphyne is a material that has unique mechanical properties, but little is known about how these properties change when the material has holes. In this work, the effect of hole geometry, considering circular, triangle, and rhombus hole configuration...

(This article belongs to the Section Molecular Biophysics)
  • Article
  • Open Access
18 Citations
3,427 Views
15 Pages

Effect of Strain Rate, Temperature, Vacancy, and Microcracks on Mechanical Properties of 8-16-4 Graphyne

  • Qing Peng,
  • Zeyu Huang,
  • Gen Chen,
  • Yuqiang Zhang,
  • Xiaofan Zhang,
  • Xiao-Jia Chen and
  • Zhongwei Hu

21 March 2024

The 8-16-4 graphyne, a recently identified two-dimensional carbon allotrope, exhibits distinctive mechanical and electrical properties, making it a candidate material for flexible electronic applications. This study endeavors to enhance our comprehen...

(This article belongs to the Section 2D and Carbon Nanomaterials)
  • Article
  • Open Access
127 Citations
12,002 Views
14 Pages

25 January 2018

In recent years, graphyne was found to be the only 2D carbon material that has both sp and sp2 hybridization. It has received significant attention because of its great potential in the field of optoelectronics, which arises due to its small band gap...

(This article belongs to the Section Carbon Materials)
  • Article
  • Open Access
7 Citations
2,884 Views
12 Pages

Thermal Stability and Vibrational Properties of the 6,6,12-Graphyne-Based Isolated Molecules and Two-Dimensional Crystal

  • Ekaterina S. Dolina,
  • Pavel A. Kulyamin,
  • Anastasiya A. Grekova,
  • Alexey I. Kochaev,
  • Mikhail M. Maslov and
  • Konstantin P. Katin

27 February 2023

We report the geometry, kinetic energy, and some optical properties of the 6,6,12-graphyne-based systems. We obtained the values of their binding energies and structural characteristics such as bond lengths and valence angles. Moreover, using nonorth...

  • Article
  • Open Access
1 Citations
2,823 Views
11 Pages

Molecular Simulations of the Gas Diffusion through the Two-Dimensional Graphyne Membrane

  • Dongliang Jin,
  • Tao Zhang,
  • Meng Guo,
  • Nanhua Wu and
  • Jing Zhong

13 September 2023

Owing to the unified and tunable pore size, two-dimensional graphyne membranes show excellent performance in the realm of gas transport and separations. The impacts of environmental conditions on the pore size of a porous membrane are ignored in prev...

(This article belongs to the Section Materials in Separation Science)
  • Article
  • Open Access
16 Citations
4,242 Views
15 Pages

Based on the DFT calculations, two-dimensional (2D) R-graphyne has been demonstrated to have high stability and good conductivity, which can be conducive to the relevant electrocatalytic activity of the material. Different from the poor graphene, R-g...

(This article belongs to the Section Computational and Theoretical Chemistry)
  • Article
  • Open Access
52 Citations
4,666 Views
12 Pages

19 October 2019

To realize a high response and high selectivity gas sensor for the detection dissolved gases in transformer oil, in this study, the adsorption of four kinds of gases (H2, CO, C2H2, and CH4) on Pd-graphyne was investigated, and the gas sensing propert...

  • Communication
  • Open Access
30 Citations
3,058 Views
8 Pages

11 October 2023

In a recent experimental accomplishment, a two-dimensional holey graphyne semiconducting nanosheet with unusual annulative π-extension has been fabricated. Motivated by the aforementioned advance, herein we theoretically explore the electronic, dy...

(This article belongs to the Section Materials Physics)
  • Article
  • Open Access
803 Views
15 Pages

A novel sensitive and selective electrochemiluminescence (ECL) sensor using nitrogen-doped graphyne as the platform was proposed for kanamycin (KAN) detection. First, nitrogen-doped graphyne nanomaterial (1N-GY) with high conductivity was synthesized...

(This article belongs to the Special Issue (Bio)Chemical Sensing in Real-World Applications—a Dedicated Issue for Young Researchers)
  • Feature Paper
  • Article
  • Open Access
10 Citations
3,752 Views
12 Pages

Graphyne Nanotubes as Promising Sodium-Ion Battery Anodes

  • Yuan Yuan,
  • Xiaoxue Song,
  • Jiapeng Ma,
  • Yanqi Chen,
  • Fangfang Wang,
  • Baotao Kang and
  • Jin Yong Lee

19 June 2022

Sodium-ion batteries (SIBs) are promising candidates for the replacement of lithium-ion batteries (LIBs) because of sodium’s abundant reserves and the lower cost of sodium compared to lithium. This is a topic of interest for developing novel an...

(This article belongs to the Special Issue Graphene in Photocatalysis/Electrocatalysis)
  • Article
  • Open Access
11 Citations
2,301 Views
13 Pages

Recently, Heptafluoroisobutyronitrile (C4F7N) has received widespread attention in replacing one of the most greenhouse-insulating gas, SF6. However, gas leakage is incredibly harmful to the health of operational personnel and the security of industr...

(This article belongs to the Section Applied Chemical Sensors)
  • Article
  • Open Access
1,160 Views
15 Pages

Interaction of Oxygen Molecules with Fe Atom-Doped γ-Graphyne Surfaces: First-Principles Calculations

  • Bin Zhao,
  • Jiayi Yin,
  • Zhuoting Xiong,
  • Wentao Yang,
  • Peng Guo,
  • Meng Li,
  • Haoxian Zeng and
  • Jianjun Wang

27 September 2025

The activation and dissociation of O2 molecules play a key role in the oxidation of toxic gas molecules and the oxygen reduction reaction (ORR) in hydrogen–oxygen fuel cells. The interactions between O2 molecules and the surfaces of Fe-doped &g...

(This article belongs to the Special Issue Multiscale Modeling and Characterization Technique of Advanced Nanostructured Materials for Extreme Service)
  • Review
  • Open Access
27 Citations
4,686 Views
39 Pages

31 August 2021

Doping and its consequences on the electronic features, optoelectronic features, and magnetism of graphynes (GYs) are reviewed in this work. First, synthetic strategies that consider numerous chemically and dimensionally different structures are disc...

(This article belongs to the Special Issue Properties and Applications of Graphene and Its Derivatives)
  • Article
  • Open Access
8 Citations
3,680 Views
11 Pages

27 September 2021

The pentagon has been proven to be an important structural unit for carbon materials, leading to different physical and chemical properties from those of hexagon-based allotropes. Following the development from graphene to penta-graphene, a breakthro...

(This article belongs to the Special Issue Feature Papers in Materials Simulation and Design)
  • Article
  • Open Access
10 Citations
8,261 Views
14 Pages

11 December 2009

We have studied a series of bridged phenylacetylene macrocycles with topologies based on Platonic and Archimedean polyhedra, using density functional calculations to determine both their molecular structure and their electronic response to external m...

(This article belongs to the Special Issue Aromaticity and Molecular Symmetry)
  • Article
  • Open Access
10 Citations
5,240 Views
10 Pages

The Band-Gap Modulation of Graphyne Nanoribbons by Edge Quantum Entrapment

  • Yonghui Liu,
  • Maolin Bo,
  • Chang Qing Sun and
  • Yongli Huang

7 February 2018

Using ab initio calculation coupled with the bond-order-length-strength (BOLS) approximation, we investigate the configurations and electronic properties of (α, β)-graphyne nanoribbons (GYNRs) with armchair (AGYNRs) and zigzag (ZGYNRs) edges. Our inv...

  • Article
  • Open Access
5 Citations
1,763 Views
14 Pages

17 January 2025

The electronic structure characteristics of bilayer graphyne, bilayer graphdiyne, and bilayer graphtriyne were systematically studied using molecular orbital (MO) analysis, density of states (DOS), and interaction region indicator (IRI) methods. The...

(This article belongs to the Section Materials Chemistry)
  • Article
  • Open Access
1 Citations
1,002 Views
14 Pages

Electrochemical CO2 reduction reaction through utilizing renewable electricity under mild conditions is a promising pathway toward achieving carbon neutrality. In this work, we designed a tubular graphyne functionalized with isolated Co single atom a...

(This article belongs to the Section Organometallic Chemistry)
  • Feature Paper
  • Article
  • Open Access
11 Citations
3,103 Views
12 Pages

Helium Isotopes Quantum Sieving through Graphtriyne Membranes

  • Marta I. Hernández,
  • Massimiliano Bartolomei and
  • José Campos-Martínez

31 December 2020

We report accurate quantum calculations of the sieving of Helium atoms by two-dimensional (2D) graphtriyne layers with a new interaction potential. Thermal rate constants and permeances in an ample temperature range are computed and compared for both...

(This article belongs to the Section 2D and Carbon Nanomaterials)
  • Article
  • Open Access
12 Citations
3,985 Views
14 Pages

A New Model to Predict Optimum Conditions for Growth of 2D Materials on a Substrate

  • Yu-Peng Liu,
  • Bo-Yuan Ning,
  • Le-Cheng Gong,
  • Tsu-Chien Weng and
  • Xi-Jing Ning

Deposition of atoms or molecules on a solid surface is a flexible way to prepare various novel two-dimensional materials if the growth conditions, such as suitable surface and optimum temperature, could be predicted theoretically. However, prediction...

(This article belongs to the Special Issue Computational Modeling and Simulation for Nanomaterials, Nanotechnology, and Nanoscience)
  • Article
  • Open Access
1 Citations
1,393 Views
13 Pages

Prediction of Thermal Transport Properties of Pristine and BN-Substituted Holey Graphynes

  • Qingchen Li,
  • Yujie Zhang,
  • Yanlong Liu,
  • Yan Gao and
  • Baoxia Deng

The merging of pore designs is a potential strategy for achieving ultra-low lattice thermal conductivity (κ), for which phonon anharmonicity and size effect are indispensable for discovering novel functional materials in thermal applications. I...

(This article belongs to the Section Inorganic Materials)
  • Article
  • Open Access
17 Citations
3,162 Views
15 Pages

Multilayer Graphtriyne Membranes for Separation and Storage of CO2: Molecular Dynamics Simulations of Post-Combustion Model Mixtures

  • Yusuf Bramastya Apriliyanto,
  • Noelia Faginas-Lago,
  • Stefano Evangelisti,
  • Massimiliano Bartolomei,
  • Thierry Leininger,
  • Fernando Pirani,
  • Leonardo Pacifici and
  • Andrea Lombardi

13 September 2022

The ability to remove carbon dioxide from gaseous mixtures is a necessary step toward the reduction of greenhouse gas emissions. As a contribution to this field of research, we performed a molecular dynamics study assessing the separation and adsorpt...

(This article belongs to the Special Issue Molecular Reactivity: Theoretical Study and Interpretation of Experimental Results)
  • Article
  • Open Access
17 Citations
6,006 Views
12 Pages

Anisotropic-Cyclicgraphene: A New Two-Dimensional Semiconducting Carbon Allotrope

  • Marcin Maździarz,
  • Adam Mrozek,
  • Wacław Kuś and
  • Tadeusz Burczyński

16 March 2018

A potentially new, single-atom thick semiconducting 2D-graphene-like material, called Anisotropic-cyclicgraphene , has been generated by the two stage searching strategy linking molecular and ab initio approach. The candidate was derived from the evo...

(This article belongs to the Section Carbon Materials)
  • Article
  • Open Access
31 Citations
4,644 Views
31 Pages

25 December 2022

A topological index (TI) is a real number that defines the relationship between a chemical structure and its properties and remains invariant under graph isomorphism. TIs defined for chemical structures are capable of predicting physical properties,...

(This article belongs to the Special Issue Study of Molecules in the Light of Spectral Graph Theory)
  • Review
  • Open Access
11 Citations
5,497 Views
13 Pages

On-Surface Synthesis of sp-Carbon Nanostructures

  • Lina Shang,
  • Faming Kang,
  • Wenze Gao,
  • Zheng Zhou and
  • Wei Xu

31 December 2021

The on-surface synthesis of carbon nanostructures has attracted tremendous attention owing to their unique properties and numerous applications in various fields. With the extensive development of scanning tunneling microscope (STM) and noncontact at...

(This article belongs to the Special Issue On-Surface Synthesis of Low-Dimensional Organic Nanostructures)
  • Article
  • Open Access
3 Citations
1,431 Views
16 Pages

Wettability of Two-Dimensional Carbon Allotropes from Molecular Simulations

  • Margaret E. Thornton,
  • Serban G. Zamfir and
  • Dusan Bratko

6 August 2025

Force-field Monte Carlo and Molecular Dynamics simulations are used to compare wetting behaviors of model carbon sheets mimicking neat graphene, its saturated derivative, graphane, and related planar allotropes penta-graphene, γ-graphyne, and &...

  • Article
  • Open Access
12 Citations
3,919 Views
11 Pages

11 March 2023

Graphdiyne and its analogs are a series of artificial two-dimensional nanomaterials with sp hybridized carbon atoms, which can be viewed as the insertion of two acetylenic units between adjacent aromatic rings, evenly expanded on a flat surface. Alth...

(This article belongs to the Section Synthesis, Interfaces and Nanostructures)
  • Review
  • Open Access
103 Citations
17,826 Views
30 Pages

A Review of Current Development of Graphene Mechanics

  • Qiang Cao,
  • Xiao Geng,
  • Huaipeng Wang,
  • Pengjie Wang,
  • Aaron Liu,
  • Yucheng Lan and
  • Qing Peng

6 September 2018

Graphene, a two-dimensional carbon in honeycomb crystal with single-atom thickness, possesses extraordinary properties and fascinating applications. Graphene mechanics is very important, as it relates to the integrity and various nanomechanical behav...

(This article belongs to the Special Issue Graphene Mechanics)